"You can't sign into multiple accounts on PC" didn't stop Rocket League from supporting local co-op/split-screen. You can jump online in any mode and play with 1-4 players, in split-screen. They just do the standard thing and add a (1) or (2) to people's names to indicate that they're split-screen guests and not full-blown accounts.
With gaming entering a new generation, there are plenty of new and exciting games for local co-op fans. Haven Platforms: PlayStation 5, PlayStation 4, Xbox Series X/S, Xbox One, Nintendo Switch, PC Not quite ARPG, but I played an absolute shit tonne of the original Dungeon Defenders with my girlfriend in split-screen and it was great, might be worth a look. Blood and Bacon It’s a first person shooter but it’s also $0.49 on sale from $0.99. It should scratch your action itch. Torchlight II is fun. GJ4mc.